Marshall Excelsior 3/8" M. Flare x M. POL Brass Adapter – For LP, Propane & Natural Gas SystemsThis high-quality brass adapter from Marshall Excelsior connects a 3/8" male flare fitting to a male POL (Prest-O-Lite) fitting—perfect for use in LP gas transfer systems, propane cylinder hookups, and DOT tank operations.Key Features:Precision-machined from solid brass for durability and corrosion resistanceCompatible with LP, propane, and natural gasConnects 3/8" male flare to male POL, commonly used in industrial, commercial, and RV gas systemsIdeal for service technicians, propane refill stations, and bulk tank installationsManufacturer Part Number: MFG# ME353DLP# 10LP0558Whether you're assembling a custom hose system or replacing a worn fitting, this compact and rugged brass adapter ensures secure and leak-free performance under pressure.